The actuators are used with valves: VFM2 (DN 65-150) only in combination with AMV 55, VFS 2 (DN 15-50) only in combination with AMV 56 and clutch 065Z7551, VFS 2 (DN 65-100), VL 2/3 (DN 100), VF 2/3 (DN 100-150), VL 2/3 & VF 2/3 (DN 65, 80) only in combination with AMV 56 and adapter 065Z0312, or AFQM (DN 65-125) and AFQM 6 (DN 40-50)